Step 1520-15
The problem lies within the system hardware or with the line voltage/wiring.
Shut down the system and remove the power cable from the system.
Exchange the following FRUs in order:
1. Power cables to system board.
2. System board.
3. Power backplane.
Restart the system and perform error log analysis.
Do you receive an SRN indicating a voltage sensor out of range?
NO The last FRU exchanged is defective. Go to ″MAP 0410: Repair Checkout″ in
the
RS/6000
Eserver
pSeries Diagnostic Information for Multiple Bus
Systems
.
YES Reinstall the original FRU.
Repeat the FRU replacement steps until a defective FRU is identified or all the
FRUs have been exchanged.
If the symptom did not change and all FRUs have been exchanged, go to
“Step 1520-13” on page 60.
If the symptom has changed, check for loose cards, cables, and obvious
problems. If you do not find a problem, return to “Step 1520-1” on page 54 in
this MAP and follow the instructions for the new symptom.
62 Service Guide
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